Wrench



V 1,627,778 May 1927 H. M. HUTCHINSON WRENCH Filed Dec. 8, 1925 Inventor Attorney Patented lVlay 10,1927. d 1,627,778

UNITED STATES PATENT OFFICE.

HOWARD M. EUTCHINSON, F BROOK, NEBRASKA.

WRENCH.

Application filed December 8, 1925. Serial No. 74,067.

This invention relates to wrenches of the at one end of the jaw and terminate at their spanner type, and the primary object thereof opposite ends inwardly of the opposite end is to provide such a tool wherein the head of the aw as more clearly shown in Fig. 2.

may be disposed at a plurality of angles At the edges of the C-shaped ends of the 60 with respect to the handle in order that nuts members forming the handle 5, inwardly in inaccessible and close places may be d rected flanges 13 are provided of a shape readily applied or removed. complementary to the shape of the groove A further object of the invention is to pro- 12 for engaging within said grooves in orvide means whereby the handle may be der that the jaw 6 will be properly guided 65 1o ratcheted with respect to the head in order in its turning. movement within the end of that nuts'may be applied or .removed when the handle. it is impossible to use a wrench unless but Directly adjacent the jaw carrying end relatively slight movement of the handle is of the handle members the contact faces of permissible. the members are cut away to provide a 70 A further and important object is to propocket 14 for a plate-like dog 15 which is vide a wrench of this character wherein pivoted at 16 within said pocket. At one heads of various-sizes and shapes may be asside of the pivot 16 one edge of the dog carsociated with'the handle for use in conjuncries a pin 1 that extends outwardly through tion with nuts of various sizes and shapes. an opening 18 formed in the adjacent edge 7 20 With the foregoing and other objects in of the handle 5 in order that said dog may view as the nature of the invention will be be swung in one direction on its pivot. better understood, the same comprises the Arranged at one end between the memnovel form, combination and arrangement of hers forming the handle is a leaf spring parts hereinafter more fully described and 19, the opposite end of which engages upon 80 2 shown in the accompanying drawings and the edge of the dog opposite from that carclaimed. rying the in 17 in order that the dog will In the drawings wherein like reference be normal maintained in the position as characters indicate corresponding parts shown in ig. 2, in which position, the nose throughout the several views: 20 which is forwardly of the pivot in 16 85 Figure 1 is a side elevation of my imwill engage ratchet teeth 21 upon t e inproved wrench. ner edge of the rib 11 of the said jaw 6. Fig. 2 is a similar view, one wall of the From the foregoing descri tion it will be handle being broken away at its forward obvious that a turning of t e handle 5 in end for more clearly disclosing the ratchet one direction will occasion the turning of 9 mechanism between the handle and the head, the jaw '6 in the similar direction but in and view of the ratchet connection between the Fig. 3 is a detail section taken substanmembers, the handle may be moved backtially upon the line 3-3 of Fig. 2. wardly without effecting a consequent move- Now having particular reference to the ment of the jaw for thus enabling the jaw 95 4o drawing, my wrench is shown as compristo be moved to the limit of its degree through ing a handle 5 and a jaw 6. relatively short movements of the handle The handle 5, which is of suitable mamember with the end in view of allowing the terial, is preferably flat shaped and consists nuts in inaccessible places to be readily apof two parallel members 7 and 8 of simplied or removed.

ilar shape that are disposed in face to face Even though I have herein shown and derelation and so secured through the medium scribed certain detail structural elements, it of rivets or the like 9.- is nevertheless to be understood that I do.

The forward ends of the members com not desire to be limited to the specific conprising the handle 5 are of general C formastruction of the elements insomuch as in 105 tion as shown at 10 in Fig. 1, the material future practice of the invention, minor forming the handle members being cut away changes may be made therein without deat opposed surfaces of the C-shaped ends parting from the spirit and scope of the 10 for receiving a similarly shaped rib 11 ap ended claim. of the jaw 6. .aving thus described my invention, what 110 At opposite sides of the rib 11 of said I claim as new and desire to secure by Letjaw grooves 12 are provided which open ters Patent is inner ends of a wrench of the class described, -a

handle, .a substantially C-shaped jaw, a C- sha d rib formed on the back of the jaw,

sai rib having channels formed in the op including a air of flat elongated members er in face-to-face relatlon, the

secured .toget the members bem'g of C-shape formation and being cut away at the op posite surfaces for receiving the C-shaped rib formed on the jaw,

inwardly directed flanges the inner ends of the members comprising the handle having formed thereon for engagement within the respective channels formed in the opposed faces of the rib, said rib being disposed within the cut out portion of the complementary members comprising a handle, said handle being formed with a pocket between the members at a point adjacent the inner end thereof, a dog pivotally arranged within the pocket and having one end in normal engagement with the ratchet teeth, and a and extending laterally through one of the side edges of the handle to facilitate the disengagement of the dog from the teeth.

25 pin carried by the dog I In testimony whereof I afiix'my signature.

HOWARD ML nn'rcnmson. 

